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BTEC Applied Science Unit 14 Assignment 4
Unit 14: Energy Changes, Sources And Applications – Assignment 4 Electrical Energy Sources Task 1 Explain the differences between primary cells and secondary cells. You should describe the simple cell, the leclanche dry cell, the lead acid cell, zinc-air fuel cells and solar cells, covering differences in how they work and their uses. This provides evidence for P4 Task 2 Use the internet and/or catalogues to research the merits and limitations of two primary and two secondary cells. You must include capacity and behaviour under load, ampere-hours/milliampere-hours, disposal hazards and industrial applications for each of your cells This provides evidence for M4 Task 3 Evaluate the use of primary and secondary cells for the following portable devices a small DAB radio a torch a mobile phone This provides evidence for D4 Exam board is Pearson ALL ASSIGNMENTS I HAVE UPLOADED ARE DISTINCTION GRADED.
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